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372 lines
11 KiB
372 lines
11 KiB
// Copyright 2015 The go-ethereum Authors
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// This file is part of the go-ethereum library.
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//
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// The go-ethereum library is free software: you can redistribute it and/or modify
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// it under the terms of the GNU Lesser General Public License as published by
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// the Free Software Foundation, either version 3 of the License, or
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// (at your option) any later version.
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//
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// The go-ethereum library is distributed in the hope that it will be useful,
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// but WITHOUT ANY WARRANTY; without even the implied warranty of
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// MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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// GNU Lesser General Public License for more details.
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//
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// You should have received a copy of the GNU Lesser General Public License
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// along with the go-ethereum library. If not, see <http://www.gnu.org/licenses/>.
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package enode
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import (
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"bytes"
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"fmt"
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"io/ioutil"
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"net"
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"os"
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"path/filepath"
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"reflect"
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"testing"
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"time"
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)
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var nodeDBKeyTests = []struct {
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id ID
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field string
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key []byte
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}{
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{
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id: ID{},
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field: "version",
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key: []byte{0x76, 0x65, 0x72, 0x73, 0x69, 0x6f, 0x6e}, // field
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},
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{
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id: HexID("51232b8d7821617d2b29b54b81cdefb9b3e9c37d7fd5f63270bcc9e1a6f6a439"),
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field: ":discover",
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key: []byte{
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0x6e, 0x3a, // prefix
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0x51, 0x23, 0x2b, 0x8d, 0x78, 0x21, 0x61, 0x7d, // node id
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0x2b, 0x29, 0xb5, 0x4b, 0x81, 0xcd, 0xef, 0xb9, //
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0xb3, 0xe9, 0xc3, 0x7d, 0x7f, 0xd5, 0xf6, 0x32, //
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0x70, 0xbc, 0xc9, 0xe1, 0xa6, 0xf6, 0xa4, 0x39, //
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0x3a, 0x64, 0x69, 0x73, 0x63, 0x6f, 0x76, 0x65, 0x72, // field
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},
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},
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}
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func TestDBKeys(t *testing.T) {
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for i, tt := range nodeDBKeyTests {
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if key := makeKey(tt.id, tt.field); !bytes.Equal(key, tt.key) {
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t.Errorf("make test %d: key mismatch: have 0x%x, want 0x%x", i, key, tt.key)
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}
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id, field := splitKey(tt.key)
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if !bytes.Equal(id[:], tt.id[:]) {
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t.Errorf("split test %d: id mismatch: have 0x%x, want 0x%x", i, id, tt.id)
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}
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if field != tt.field {
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t.Errorf("split test %d: field mismatch: have 0x%x, want 0x%x", i, field, tt.field)
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}
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}
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}
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var nodeDBInt64Tests = []struct {
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key []byte
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value int64
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}{
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{key: []byte{0x01}, value: 1},
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{key: []byte{0x02}, value: 2},
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{key: []byte{0x03}, value: 3},
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}
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func TestDBInt64(t *testing.T) {
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db, _ := OpenDB("")
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defer db.Close()
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tests := nodeDBInt64Tests
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for i := 0; i < len(tests); i++ {
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// Insert the next value
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if err := db.storeInt64(tests[i].key, tests[i].value); err != nil {
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t.Errorf("test %d: failed to store value: %v", i, err)
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}
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// Check all existing and non existing values
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for j := 0; j < len(tests); j++ {
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num := db.fetchInt64(tests[j].key)
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switch {
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case j <= i && num != tests[j].value:
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t.Errorf("test %d, item %d: value mismatch: have %v, want %v", i, j, num, tests[j].value)
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case j > i && num != 0:
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t.Errorf("test %d, item %d: value mismatch: have %v, want %v", i, j, num, 0)
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}
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}
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}
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}
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func TestDBFetchStore(t *testing.T) {
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node := NewV4(
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hexPubkey("1dd9d65c4552b5eb43d5ad55a2ee3f56c6cbc1c64a5c8d659f51fcd51bace24351232b8d7821617d2b29b54b81cdefb9b3e9c37d7fd5f63270bcc9e1a6f6a439"),
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net.IP{192, 168, 0, 1},
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30303,
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30303,
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)
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inst := time.Now()
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num := 314
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db, _ := OpenDB("")
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defer db.Close()
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// Check fetch/store operations on a node ping object
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if stored := db.LastPingReceived(node.ID()); stored.Unix() != 0 {
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t.Errorf("ping: non-existing object: %v", stored)
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}
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if err := db.UpdateLastPingReceived(node.ID(), inst); err != nil {
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t.Errorf("ping: failed to update: %v", err)
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}
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if stored := db.LastPingReceived(node.ID()); stored.Unix() != inst.Unix() {
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t.Errorf("ping: value mismatch: have %v, want %v", stored, inst)
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}
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// Check fetch/store operations on a node pong object
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if stored := db.LastPongReceived(node.ID()); stored.Unix() != 0 {
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t.Errorf("pong: non-existing object: %v", stored)
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}
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if err := db.UpdateLastPongReceived(node.ID(), inst); err != nil {
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t.Errorf("pong: failed to update: %v", err)
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}
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if stored := db.LastPongReceived(node.ID()); stored.Unix() != inst.Unix() {
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t.Errorf("pong: value mismatch: have %v, want %v", stored, inst)
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}
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// Check fetch/store operations on a node findnode-failure object
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if stored := db.FindFails(node.ID()); stored != 0 {
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t.Errorf("find-node fails: non-existing object: %v", stored)
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}
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if err := db.UpdateFindFails(node.ID(), num); err != nil {
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t.Errorf("find-node fails: failed to update: %v", err)
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}
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if stored := db.FindFails(node.ID()); stored != num {
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t.Errorf("find-node fails: value mismatch: have %v, want %v", stored, num)
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}
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// Check fetch/store operations on an actual node object
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if stored := db.Node(node.ID()); stored != nil {
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t.Errorf("node: non-existing object: %v", stored)
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}
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if err := db.UpdateNode(node); err != nil {
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t.Errorf("node: failed to update: %v", err)
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}
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if stored := db.Node(node.ID()); stored == nil {
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t.Errorf("node: not found")
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} else if !reflect.DeepEqual(stored, node) {
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t.Errorf("node: data mismatch: have %v, want %v", stored, node)
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}
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}
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var nodeDBSeedQueryNodes = []struct {
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node *Node
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pong time.Time
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}{
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// This one should not be in the result set because its last
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// pong time is too far in the past.
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{
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node: NewV4(
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hexPubkey("1dd9d65c4552b5eb43d5ad55a2ee3f56c6cbc1c64a5c8d659f51fcd51bace24351232b8d7821617d2b29b54b81cdefb9b3e9c37d7fd5f63270bcc9e1a6f6a439"),
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net.IP{127, 0, 0, 3},
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30303,
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30303,
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),
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pong: time.Now().Add(-3 * time.Hour),
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},
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// This one shouldn't be in the result set because its
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// nodeID is the local node's ID.
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{
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node: NewV4(
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hexPubkey("ff93ff820abacd4351b0f14e47b324bc82ff014c226f3f66a53535734a3c150e7e38ca03ef0964ba55acddc768f5e99cd59dea95ddd4defbab1339c92fa319b2"),
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net.IP{127, 0, 0, 3},
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30303,
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30303,
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),
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pong: time.Now().Add(-4 * time.Second),
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},
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// These should be in the result set.
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{
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node: NewV4(
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hexPubkey("c2b5eb3f5dde05f815b63777809ee3e7e0cbb20035a6b00ce327191e6eaa8f26a8d461c9112b7ab94698e7361fa19fd647e603e73239002946d76085b6f928d6"),
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net.IP{127, 0, 0, 1},
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30303,
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30303,
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),
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pong: time.Now().Add(-2 * time.Second),
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},
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{
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node: NewV4(
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hexPubkey("6ca1d400c8ddf8acc94bcb0dd254911ad71a57bed5e0ae5aa205beed59b28c2339908e97990c493499613cff8ecf6c3dc7112a8ead220cdcd00d8847ca3db755"),
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net.IP{127, 0, 0, 2},
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30303,
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30303,
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),
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pong: time.Now().Add(-3 * time.Second),
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},
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{
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node: NewV4(
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hexPubkey("234dc63fe4d131212b38236c4c3411288d7bec61cbf7b120ff12c43dc60c96182882f4291d209db66f8a38e986c9c010ff59231a67f9515c7d1668b86b221a47"),
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net.IP{127, 0, 0, 3},
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30303,
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30303,
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),
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pong: time.Now().Add(-1 * time.Second),
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},
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{
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node: NewV4(
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hexPubkey("c013a50b4d1ebce5c377d8af8cb7114fd933ffc9627f96ad56d90fef5b7253ec736fd07ef9a81dc2955a997e54b7bf50afd0aa9f110595e2bec5bb7ce1657004"),
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net.IP{127, 0, 0, 3},
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30303,
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30303,
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),
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pong: time.Now().Add(-2 * time.Second),
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},
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{
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node: NewV4(
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hexPubkey("f141087e3e08af1aeec261ff75f48b5b1637f594ea9ad670e50051646b0416daa3b134c28788cbe98af26992a47652889cd8577ccc108ac02c6a664db2dc1283"),
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net.IP{127, 0, 0, 3},
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30303,
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30303,
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),
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pong: time.Now().Add(-2 * time.Second),
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},
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}
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func TestDBSeedQuery(t *testing.T) {
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// Querying seeds uses seeks an might not find all nodes
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// every time when the database is small. Run the test multiple
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// times to avoid flakes.
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const attempts = 15
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var err error
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for i := 0; i < attempts; i++ {
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if err = testSeedQuery(); err == nil {
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return
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}
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}
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if err != nil {
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t.Errorf("no successful run in %d attempts: %v", attempts, err)
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}
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}
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func testSeedQuery() error {
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db, _ := OpenDB("")
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defer db.Close()
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// Insert a batch of nodes for querying
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for i, seed := range nodeDBSeedQueryNodes {
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if err := db.UpdateNode(seed.node); err != nil {
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return fmt.Errorf("node %d: failed to insert: %v", i, err)
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}
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if err := db.UpdateLastPongReceived(seed.node.ID(), seed.pong); err != nil {
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return fmt.Errorf("node %d: failed to insert bondTime: %v", i, err)
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}
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}
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// Retrieve the entire batch and check for duplicates
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seeds := db.QuerySeeds(len(nodeDBSeedQueryNodes)*2, time.Hour)
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have := make(map[ID]struct{})
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for _, seed := range seeds {
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have[seed.ID()] = struct{}{}
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}
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want := make(map[ID]struct{})
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for _, seed := range nodeDBSeedQueryNodes[1:] {
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want[seed.node.ID()] = struct{}{}
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}
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if len(seeds) != len(want) {
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return fmt.Errorf("seed count mismatch: have %v, want %v", len(seeds), len(want))
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}
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for id := range have {
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if _, ok := want[id]; !ok {
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return fmt.Errorf("extra seed: %v", id)
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}
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}
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for id := range want {
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if _, ok := have[id]; !ok {
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return fmt.Errorf("missing seed: %v", id)
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}
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}
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return nil
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}
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func TestDBPersistency(t *testing.T) {
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root, err := ioutil.TempDir("", "nodedb-")
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if err != nil {
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t.Fatalf("failed to create temporary data folder: %v", err)
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}
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defer os.RemoveAll(root)
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var (
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testKey = []byte("somekey")
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testInt = int64(314)
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)
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// Create a persistent database and store some values
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db, err := OpenDB(filepath.Join(root, "database"))
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if err != nil {
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t.Fatalf("failed to create persistent database: %v", err)
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}
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if err := db.storeInt64(testKey, testInt); err != nil {
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t.Fatalf("failed to store value: %v.", err)
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}
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db.Close()
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// Reopen the database and check the value
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db, err = OpenDB(filepath.Join(root, "database"))
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if err != nil {
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t.Fatalf("failed to open persistent database: %v", err)
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}
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if val := db.fetchInt64(testKey); val != testInt {
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t.Fatalf("value mismatch: have %v, want %v", val, testInt)
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}
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db.Close()
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}
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var nodeDBExpirationNodes = []struct {
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node *Node
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pong time.Time
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exp bool
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}{
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{
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node: NewV4(
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hexPubkey("8d110e2ed4b446d9b5fb50f117e5f37fb7597af455e1dab0e6f045a6eeaa786a6781141659020d38bdc5e698ed3d4d2bafa8b5061810dfa63e8ac038db2e9b67"),
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net.IP{127, 0, 0, 1},
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30303,
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30303,
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),
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pong: time.Now().Add(-dbNodeExpiration + time.Minute),
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exp: false,
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}, {
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node: NewV4(
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hexPubkey("913a205579c32425b220dfba999d215066e5bdbf900226b11da1907eae5e93eb40616d47412cf819664e9eacbdfcca6b0c6e07e09847a38472d4be46ab0c3672"),
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net.IP{127, 0, 0, 2},
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30303,
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30303,
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),
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pong: time.Now().Add(-dbNodeExpiration - time.Minute),
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exp: true,
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},
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}
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func TestDBExpiration(t *testing.T) {
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db, _ := OpenDB("")
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defer db.Close()
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// Add all the test nodes and set their last pong time
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for i, seed := range nodeDBExpirationNodes {
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if err := db.UpdateNode(seed.node); err != nil {
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t.Fatalf("node %d: failed to insert: %v", i, err)
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}
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if err := db.UpdateLastPongReceived(seed.node.ID(), seed.pong); err != nil {
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t.Fatalf("node %d: failed to update bondTime: %v", i, err)
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}
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}
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// Expire some of them, and check the rest
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if err := db.expireNodes(); err != nil {
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t.Fatalf("failed to expire nodes: %v", err)
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}
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for i, seed := range nodeDBExpirationNodes {
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node := db.Node(seed.node.ID())
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if (node == nil && !seed.exp) || (node != nil && seed.exp) {
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t.Errorf("node %d: expiration mismatch: have %v, want %v", i, node, seed.exp)
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}
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}
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}
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